They call it a flat engine or a boxer because the cylinder heads look like they're boxing each other as they go back and forth.

他们称之为置发动机或击手发动机，因为气缸头来回运动时，看起来就像在互相“击”一样。

Except for the brakes, rear axle, cylinder heads.

就是刹车 后桥 气缸盖有点毛病。

The fresh water is circulated through the engine to cool the cylinder jackets, cylinder heads, exhaust valves and turbo-blowers.

新鲜在发动机内循环，用于冷却气缸套、气缸盖、排气阀和涡轮增压器。